So what's the problem?
There is a considerable ongoing threat from invasive alien plant and invertebrate species on all South Atlantic UK Overseas Territories (UKOT). Management plans and capacity building efforts to combat invasive plants are in the process of being developed by various conservation bodies and other research institutions. However there are no current plans to include biological control in these new schemes, despite a long history of successful use on islands in the past. We understand that many species including rare, endangered and/or iconic species are in danger from introduced invasive plants or invertebrates and that the reduction of their impact through biological control would bring tangible benefits to biodiversity in these fragile habitats. At the moment there is very little known about the potential of this tool in South Atlantic UKOTs and this study tries to address this by assessing the feasibility of the future potential usage of this method.
What is this project doing?
Results so far
Individual non–native species were assessed using the method developed by Paynter et al. (2009), which was modified for the South Atlantic UKOTs and further adapted to assess invertebrate species. These assessments were based on literature reviews, publicly available reports and additional information provided by stakeholders. Preliminary results were refined through stakeholder workshops and field site visits on the Falkland Islands and Ascension, which also allowed stakeholder attitudes to classical biological control to be assessed in more detail.
Calafate spreading at Port Sussex, East FalklandDense mat of Mouse-eared Hawkweed spreading at Port Stephens, East FalklandDense stands of Mexican Thorn on AscensionGood biological control of Opuntia by Cactoblastis on AscensionGorse spreading near Darwin, Falkland IslandsMexican poppy, a species encroaching on nesting sites of marine turtles on AscensionPreliminary results AscensionPreliminary results Falklands & South GeorgiaProject Reference ListSap-sucking psyllids causing partial control of Mexican Thorn on AscensionWild tobacco posing a threat to nesting sites of turtles on Ascension
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Biological control of Himalayan Balsam
Testing the psyllid: first field studies for biological control of knotweed
Invasive Plant Ecology in Natural and Agricultural Systems
by B Booth, S Murphy, C Swanton
21 September 2010
Paperback / 9781845936051 / £37.50 / $72.50 / €50.00
Invasive Alien Plants
by J Bhatt, R Kohli, J Singh, S Singh, R Tripathi
01 December 2011
Hardback / 9781845939076 / £95.00 / $180.00 / €125.00
Invasive Plant Ecology and Management
by T Monaco, R Sheley
29 March 2012
Hardback / 9781845938116 / £75.00 / $145.00 / €100.00
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